package cn.tedu.v2_1;

import java.io.*;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 * 聊天室 Version2.1
 * 客户端基本不变：关闭socket、拓展增加IP
 *                         1.私有化IP
 *                         2.构造器，当前IP进行赋值
 *                         3.任意位置使用IP【读入知道
 */
public class Client {
    private Socket socket;
    //1.私有化IP
    private String ip;
    public Client() throws IOException {

try {
    socket = new Socket("172.20.10.3", 1019);
    //2.确定传入IP就是当前就是当前传入ip地址
    ip=socket.getInetAddress().getHostAddress();
  }catch (UnknownHostException e){
    System.out.println("IP地址有问题，请询问服务器端！");
  } catch (IOException e) {
    System.out.println("客户端主动退出了：断开连接");
}
  }

    public void start(){
        PrintWriter pw=null;

        try {


            pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8"))
, true);
            System.out.println("客户端用户：请输入文字：");
            Scanner input = new Scanner(System.in);

            while (true) {
                String say = input.nextLine();
                pw.println("客户端说:"+say);
                System.out.println("写出完毕");

            }
        }catch (UnsupportedEncodingException e) {
            System.out.println("客户端与服务器端：字符集不一致！");
        }catch (IOException e) {
            System.out.println("客户端断开了连接");
        }finally {
            //关闭流 关闭socket
            if (pw!=null)
                pw.close();
            if (socket!=null&&!socket.isClosed()){
                System.out.println("客户端关闭成功！success!");
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("客户端关闭失败");
                }
            }
        }

    }
    public static void main(String[] args) throws IOException {
        Client client=new Client();
        client.start();
    }
}


